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require 'fcntl'
require 'chef/mixin/shell_out'
include Chef::Mixin::ShellOut
def ruby_gte_20?
RUBY_VERSION.to_f >= 2.0
end
def ruby_gte_19?
RUBY_VERSION.to_f >= 1.9
end
def ruby_20?
!!(RUBY_VERSION =~ /^2.0/)
end
def ruby_19?
!!(RUBY_VERSION =~ /^1.9/)
end
def ruby_18?
!!(RUBY_VERSION =~ /^1.8/)
end
def windows?
!!(RUBY_PLATFORM =~ /mswin|mingw|windows/)
end
require 'ruby-wmi' if windows?
def windows_domain_joined?
return false unless windows?
WMI::Win32_ComputerSystem.find(:first).PartOfDomain
end
def windows_win2k3?
return false unless windows?
host = WMI::Win32_OperatingSystem.find(:first)
(host.version && host.version.start_with?("5.2"))
end
def mac_osx_106?
if File.exists? "/usr/bin/sw_vers"
result = shell_out("/usr/bin/sw_vers")
result.stdout.each_line do |line|
if line =~ /^ProductVersion:\s10.6.*$/
return true
end
end
end
false
end
# detects if the hardware is 64-bit (evaluates to true in "WOW64" mode in a 32-bit app on a 64-bit system)
def windows64?
windows? && ( ENV['PROCESSOR_ARCHITECTURE'] == 'AMD64' || ENV['PROCESSOR_ARCHITEW6432'] == 'AMD64' )
end
# detects if the hardware is 32-bit
def windows32?
windows? && !windows64?
end
# def jruby?
def unix?
!windows?
end
def os_x?
!!(RUBY_PLATFORM =~ /darwin/)
end
def solaris?
!!(RUBY_PLATFORM =~ /solaris/)
end
def freebsd?
!!(RUBY_PLATFORM =~ /freebsd/)
end
def aix?
!!(RUBY_PLATFORM =~ /aix/)
end
def supports_cloexec?
Fcntl.const_defined?('F_SETFD') && Fcntl.const_defined?('FD_CLOEXEC')
end
DEV_NULL = windows? ? 'NUL' : '/dev/null'
def selinux_enabled?
# This code is currently copied from lib/chef/util/selinux to make
# specs independent of product.
selinuxenabled_path = which("selinuxenabled")
if selinuxenabled_path
cmd = Mixlib::ShellOut.new(selinuxenabled_path, :returns => [0,1])
cmd_result = cmd.run_command
case cmd_result.exitstatus
when 1
return false
when 0
return true
else
raise RuntimeError, "Unknown exit code from command #{selinuxenabled_path}: #{cmd.exitstatus}"
end
else
# We assume selinux is not enabled if selinux utils are not
# installed.
return false
end
end
def suse?
File.exists?("/etc/SuSE-release")
end
def root?
return false if windows?
Process.euid == 0
end
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